<template>
  <pw-section class="green" icon="history" label="History" ref="history">
    <ul>
      <li id="filter-history">
        <input
          aria-label="Search"
          type="text"
          placeholder="search history"
          :readonly="history.length === 0"
          v-model="filterText"
        />
      </li>
    </ul>
    <ul>
      <li></li>
      <li @click="sort_by_label()">
        <label>
          Label
        </label>
      </li>
      <li @click="sort_by_time()">
        <label>
          Time
        </label>
      </li>
      <li @click="sort_by_status_code()">
        <label>
          Status
        </label>
      </li>
      <li @click="sort_by_url()">
        <label>
          URL
        </label>
      </li>
      <li @click="sort_by_path()">
        <label>
          Path
        </label>
      </li>
      <li></li>
    </ul>
    <virtual-list
      class="virtual-list"
      :class="{filled: filteredHistory.length}"
      :size="54"
      :remain="Math.min(5, filteredHistory.length)"
    >
      <ul v-for="(entry, index) in filteredHistory" :key="index" class="entry">
        <li>
          <button v-if="entry.usesScripts"
            v-tooltip="'This entry used pre-request scripts'"
            class="icon"
          >
            <i class="material-icons">code</i>
          </button>
          <button v-else
            v-tooltip="'No pre-request scripts'"
            class="icon"
          >
            <i class="material-icons">http</i>
          </button>
        </li>
        <li>
          <input
            aria-label="Label"
            type="text"
            readonly
            :value="entry.label"
            placeholder="No label"
          />
        </li>
        <li>
          <input aria-label="Time" type="text" readonly :value="entry.time" v-tooltip="entry.date" />
        </li>
        <li class="method-list-item">
          <input
            aria-label="Method"
            type="text"
            readonly
            :value="entry.method"
            :class="findEntryStatus(entry).className"
            :style="{'--status-code': entry.status}"
          />
          <span
            class="entry-status-code"
            :class="findEntryStatus(entry).className"
            :style="{'--status-code': entry.status}"
          >{{entry.status}}</span>
        </li>
        <li>
          <input aria-label="URL" type="text" readonly :value="entry.url" />
        </li>
        <li>
          <input aria-label="Path" type="text" readonly :value="entry.path" placeholder="No path" />
        </li>
        <div class="show-on-small-screen">
          <li>
            <button
              v-tooltip="'Delete entry'"
              class="icon"
              :id="'delete-button#'+index"
              @click="deleteHistory(entry)"
              aria-label="Delete"
            >
              <i class="material-icons">delete</i>
            </button>
          </li>
          <li>
            <button
              v-tooltip="'Edit entry'"
              class="icon"
              :id="'use-button#'+index"
              @click="useHistory(entry)"
              aria-label="Edit"
            >
              <i class="material-icons">edit</i>
            </button>
          </li>
        </div>
      </ul>
    </virtual-list>
    <ul :class="{hidden: filteredHistory.length != 0 || history.length === 0 }">
      <li>
        <label>Nothing found "{{filterText}}"</label>
      </li>
    </ul>
    <ul v-if="history.length === 0">
      <li>
        <label>History is empty</label>
      </li>
    </ul>
    <ul v-if="history.length !== 0">
      <li v-if="!isClearingHistory">
        <button
          class="icon"
          id="clear-history-button"
          :disabled="history.length === 0"
          @click="enableHistoryClearing"
        >
          <i class="material-icons">clear_all</i>
          <span>Clear All</span>
        </button>
      </li>
      <li v-else>
        <div class="flex-wrap">
          <label for="clear-history-button">Are you sure?</label>
          <div>
            <button class="icon" id="confirm-clear-history-button" @click="clearHistory">Yes</button>
            <button class="icon" id="reject-clear-history-button" @click="disableHistoryClearing">No</button>
          </div>
        </div>
      </li>
    </ul>
  </pw-section>
</template>

<style scoped lang="scss">
  .virtual-list {
    [readonly] {
      cursor: default;
    }
  }

  label {

    &:hover {
      cursor: pointer;
      color: var(--fg-color);
    }
  }

  @media (max-width: 720px) {
    .virtual-list.filled {
      min-height: 200px;
    }
  }
</style>

<script>
  import VirtualList from "vue-virtual-scroll-list";
  import section from "./section";
  import { findStatusGroup } from "../pages/index";

  const updateOnLocalStorage = (propertyName, property) =>
    window.localStorage.setItem(propertyName, JSON.stringify(property));
  export default {
    components: {
      "pw-section": section,
      VirtualList
    },
    data() {
      const localStorageHistory = JSON.parse(
        window.localStorage.getItem("history")
      );
      return {
        history: localStorageHistory || [],
        filterText: "",
        showFilter: false,
        isClearingHistory: false,
        reverse_sort_label: false,
        reverse_sort_time: false,
        reverse_sort_status_code: false,
        reverse_sort_url: false,
        reverse_sort_path: false
      };
    },
    computed: {
      filteredHistory() {
        return this.history.filter(entry => {
          const filterText = this.filterText.toLowerCase();
          return Object.keys(entry).some(key => {
            let value = entry[key];
            value = typeof value !== "string" ? value.toString() : value;
            return value.toLowerCase().includes(filterText);
          });
        });
      }
    },
    methods: {
      clearHistory() {
        this.history = [];
        this.filterText = "";
        this.disableHistoryClearing();
        updateOnLocalStorage("history", this.history);
        this.$toast.error("History Deleted", {
          icon: "delete"
        });
      },
      useHistory(entry) {
        this.$emit("useHistory", entry);
      },
      findEntryStatus(entry) {
        const foundStatusGroup = findStatusGroup(entry.status);
        return (
          foundStatusGroup || {
            className: ""
          }
        );
      },
      deleteHistory(entry) {
        this.history.splice(this.history.indexOf(entry), 1);
        if (this.history.length === 0) {
          this.filterText = "";
        }
        updateOnLocalStorage("history", this.history);
        this.$toast.error("Deleted", {
          icon: "delete"
        });
      },
      addEntry(entry) {
        this.history.push(entry);
        updateOnLocalStorage("history", this.history);
      },
      enableHistoryClearing() {
        if (!this.history || !this.history.length) return;
        this.isClearingHistory = true;
      },
      disableHistoryClearing() {
        this.isClearingHistory = false;
      },
      sort_by_time() {
        let byDate = this.history.slice(0);
        byDate.sort((a, b) => {
          let date_a = a.date.split("/");
          let date_b = b.date.split("/");
          let time_a = a.time.split(":");
          let time_b = b.time.split(":");
          let final_a = new Date(
            date_a[2],
            date_a[1],
            date_a[0],
            time_a[0],
            time_a[1],
            time_a[2]
          );
          let final_b = new Date(
            date_b[2],
            date_b[1],
            date_b[0],
            time_b[0],
            time_b[1],
            time_b[2]
          );
          if (this.reverse_sort_time) return final_b - final_a;
          else return final_a - final_b;
        });
        this.history = byDate;
        this.reverse_sort_time = !this.reverse_sort_time;
      },
      sort_by_status_code() {
        let byCode = this.history.slice(0);
        byCode.sort((a, b) => {
          if (this.reverse_sort_status_code) return b.status - a.status;
          else return a.status - b.status;
        });
        this.history = byCode;
        this.reverse_sort_status_code = !this.reverse_sort_status_code;
      },
      sort_by_url() {
        let byUrl = this.history.slice(0);
        byUrl.sort((a, b) => {
          if (this.reverse_sort_url)
            return a.url == b.url ? 0 : +(a.url < b.url) || -1;
          else return a.url == b.url ? 0 : +(a.url > b.url) || -1;
        });
        this.history = byUrl;
        this.reverse_sort_url = !this.reverse_sort_url;
      },
      sort_by_label() {
        let byLabel = this.history.slice(0);
        byLabel.sort((a, b) => {
          if (this.reverse_sort_label)
            return a.label == b.label ? 0 : +(a.label < b.label) || -1;
          else return a.label == b.label ? 0 : +(a.label > b.label) || -1;
        });
        this.history = byLabel;
        this.reverse_sort_label = !this.reverse_sort_label;
      },
      sort_by_path() {
        let byPath = this.history.slice(0);
        byPath.sort((a, b) => {
          if (this.reverse_sort_path)
            return a.path == b.path ? 0 : +(a.path < b.path) || -1;
          else return a.path == b.path ? 0 : +(a.path > b.path) || -1;
        });
        this.history = byPath;
        this.reverse_sort_path = !this.reverse_sort_path;
      }
    }
  };
</script>
